High-entropy perovskite monolithic catalyst as well as preparation method and application thereof

• Main Authors: ZHANG DAPENG, PAN QIHUI
• Format: Patent
• Language: Chinese; English
• Published: 06.05.2022
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention relates to the field of catalytic materials, in particular to a preparation method of a high-entropy perovskite monolithic catalyst. According to the preparation method of the high-entropy perovskite monolithic catalyst, a porous oxide monolithic matrix is uniformly coated with active components through a dispensing-calcining method, and excellent catalytic activity is realized under extremely low loading capacity. The preparation method is simple in process, the prepared monolithic catalyst can effectively inhibit metal dissolution while having high catalytic activity, the recycling process of the monolithic catalyst is simple and convenient, and the monolithic catalyst can be used for catalytic removal of water pollutants and has wide industrial application prospects. 本发明涉及催化材料领域，尤其涉及一种高熵钙钛矿整体式催化剂的制备方法。一种高熵钙钛矿整体式催化剂的制备方法，通过滴涂-煅烧法使活性组分均匀的包覆在多孔氧化物整体基体上，在极低负载量下实现了优异的催化活性。该制备方法过程简单，制得的整体式催化剂在具备高催化活性的同时，能够有效抑制金属溶出，并且整体式催化剂回收过程简便，可用于水体污染物的催化清除，具有广泛的工业应用前景。